Brief report) Effect of Different Treatments on Breaking Dormancy of Various Species of Barnyard Grass (Echinochloa crus galli and Echinochloa awal orizy cola)

پژوهش های حفاظت گیاهان ایران

Article 15, Volume 27, Issue 2 - Serial Number 23, June 2013, Pages 255-257   

Document Type: Research Article

DOI: 10.22067/jpp.v27i2.24578

Authors

M. Haghighi Khah^* ; M. Khajeh Hosseini; M. Bannayan Awal

Abstract

In order to detect the dormancy mechanism of different species of Barnyard Grass, an experiment was conducted in the Seed Laboratory of Faculty of Agriculture, Ferdowsi University of Mashhad in 2009. treatments included: Gibberellic acid, sulfuric acid, scarification, stratification, preheating, removing seed covering structures of lema and palea and removing the seed coat. It seems fresh seeds of barnyard grass have physiological dormancy located in the seed coat, particularly in Crus gallispecies.

Keywords

Barnyard grass; Seed dormancy; Seed coat; Sulfuric acid